COP880C Datasheet, PDF (7/31 Pages) National Semiconductor (TI) – Microcontrollers

DC Electrical Characteristics (Continued)
COP88xC; −40˚C ≤ T_A ≤ +85˚C unless otherwise specified
Parameter
Condition
RAM Retention Voltage, Vr
500 ns Rise and
(Note 13)
Fall Time (Min)
Input Capacitance
Load Capacitance on D2
Min
Typ
Max
Units
2.0
V
7
pF
1000
pF
COP880C/COP881C/COP882C
Note 9: Rate of voltage change must be less than 0.5V/ms.
Note 10: Supply current is measured after running 2000 cycles with a square wave CKI input, CKO open, inputs at rails and outputs open.
Note 11: The HALT mode will stop CKI from oscillating in the RC and the Crystal configurations. Test conditions: All inputs tied to V_CC, L, C and G ports TRI-STATE
and tied to ground, all outputs low and tied to ground.
Note 12: Pins G6 and RESET are designed with a high voltage input network for factory testing. These pins allow input voltages greater than V_CC and the pins will
have sink current to V_CC when biased at voltages greater than V_CC (the pins do not have source current when biased at a voltage below V_CC). The effective
resistance to V_CC is 750Ω (typ). These two pins will not latch up. The voltage at the pins must be limited to less than 14V.
Note 13: To maintain RAM integrity, the voltage must not be dropped or raised instantaneously.
AC Electrical Characteristics
−40˚C ≤ T_A ≤ +85˚C unless otherwise specified
Parameter
Condition
Instruction Cycle Time (tc)
Crystal/Resonator or External
(Div-by 10)
R/C Oscillator Mode
(Div-by 10)
CKI Clock Duty Cycle (Note 14)
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
fr = Max
Rise Time (Note 14)
fr = 10 MHz Ext Clock
Fall Time (Note 14)
fr = 10 MHz Ext Clock
Inputs
t_SETUP
t_HOLD
Output Propagation Delay
t_PD1, t_PD0
SO, SK
All Others
MICROWIRE Setup Time (t_UWS)
MICROWIRE Hold Time (t_UWH)
MICROWIRE Output
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
C_L = 100 pF, R_L = 2.2 kΩ
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
V_CC ≥ 4.5V
2.5V ≤ V_CC < 4.5V
Propagation Delay (t_UPD)
Input Pulse Width
Interrupt Input High Time
Interrupt Input Low Time
Timer Input High Time
Timer Input Low Time
Reset Pulse Width
Min
Typ
1
2.5
3
7.5
40
200
500
60
150
20
56
t_C
t_C
t_C
t_C
1.0
Max
DC
DC
DC
DC
60
12
8
0.7
1.75
1
2.5
220
Units
µs
µs
µs
µs
%
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
ns
ns
ns
µs
Note 14: Parameter characterized but not production tested.
7
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